Examlex
Explain the statement "the lower down in the food chain we eat,the greater percentage of solar energy we put to use,and the more people Earth can support" in terms of trophic levels and pyramids of energy.
Sewage Treatment
The process of removing contaminants from municipal wastewater, containing mainly household sewage plus some industrial wastewater.
Acid Deposition
The falling of acids and acid-forming compounds from the atmosphere to the earth's surface, often resulting in environmental harm.
Eutrophication
The process by which a body of water becomes excessively enriched with nutrients, leading to plant growth that depletes oxygen in the water, affecting fish and other wildlife.
Cultural Eutrophication
The process by which a body of water becomes enriched in dissolved nutrients (like phosphates) from human activity, leading to excessive plant growth and decay that depletes oxygen, harming water quality and aquatic life.
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